Reland "Cut down /crypto and switch what is left of it to boringssl".

crypto/ec_signature_creator.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "crypto/ec_signature_creator.h"
-
-#include "base/logging.h"
-#include "crypto/ec_signature_creator_impl.h"
-
-namespace crypto {
-
-namespace {
-
-ECSignatureCreatorFactory* g_factory_ = NULL;
-
-}  // namespace
-
-// static
-ECSignatureCreator* ECSignatureCreator::Create(ECPrivateKey* key) {
-  if (g_factory_)
-    return g_factory_->Create(key);
-  return new ECSignatureCreatorImpl(key);
-}
-
-// static
-void ECSignatureCreator::SetFactoryForTesting(
-    ECSignatureCreatorFactory* factory) {
-  // We should always clear the factory after each test to avoid
-  // use-after-free problems.
-  DCHECK(!g_factory_ || !factory);
-  g_factory_ = factory;
-}
-
-}  // namespace crypto